Simplify to create an equivalent expression.
−
4
(
−
11
+
4
�
)
−
3
(
−
2
�
+
9
)
−4(−11+4n)−3(−2n+9)

Answer:

Step-by-step explanation:

How to solve a quadratic equation using the Quadratic Formula.

Write the quadratic equation in standard form, ax2 + bx + c = 0. Identify the values of a, b, c.

Write the Quadratic Formula. Then substitute in the values of a, b, c.

Simplify.

Check the solutions.

The four methods for solving a quadratic issue are the quadratic formula, using square roots, factoring, and completing the square.

A quadratic equation in algebra is any equation that can be written in standard form as where x stands for an unknown value, a, b, and c stand for known numbers, and where a ≠ 0.

Problems involving squares and quadrangles and quadratic equations are closely related. In actuality, the word quadratic comes from the Latin word quadratus, which means square.

The quadratic formula, using square roots, factoring, and completing the square are the four ways to solve a quadratic problem. An overview of all the many approaches to solving a quadratic equation is what I'd want to discuss right now.

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There are 23,311,945,600 possible ways to deal the cards to the four players and choose one card to be turned face-up in the middle.

We can calculate the number of ways to deal the cards to the four players and then multiply by the number of ways to choose which card is turned face-up in the middle.

First, there are 24 choose 5 ways to deal the first hand, since each player receives 5 cards. Then, there are 19 choose 5 ways to deal the second hand, since there are now 19 cards left. Similarly, there are 14 choose 5 ways to deal the third hand and 9 choose 5 ways to deal the fourth hand.

So, the number of ways to deal the cards to the four players is:

24 choose 5 * 19 choose 5 * 14 choose 5 * 9 choose 5 = (24! / (5! * 19!)) * (19! / (5! * 14!)) * (14! / (5! * 9!)) * (9! / (5! * 4!))

Now, we need to multiply this result by 4, since there are 4 possible cards to turn face-up in the middle. So, the final answer is:

4 * 24 choose 5 * 19 choose 5 * 14 choose 5 * 9 choose 5 = 4 * (24! / (5! * 19!)) * (19! / (5! * 14!)) * (14! / (5! * 9!)) * (9! / (5! * 4!)) = 4 * 5,827,986,400 = 23,311,945,600.

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All the given statements does not make sense by the definition of dot product.

(a) (dot product)(a): The dot product is a mathematical operation and doesn't take any arguments or values, so this expression doesn't make sense as written.

(b) u\bullet(v\bulletw): The dot product is associative, meaning that u\bullet(v\bulletw) = (u\bullet v)\bullet w. However, the expression itself is not well defined, since the inner expression v\bullet w doesn't specify what values v and w represent.

(c) (u\bullet v) + w: The dot product is an scalar product, meaning it results in a scalar value, and adding a scalar to a vector does not make sense mathematically.

(d) k\bullet(u+v): The dot product is between two vectors, and the expression k\bullet(u+v) implies that the dot product is between a scalar (k) and a vector (u+v). This does not make mathematical sense, as the dot product is only defined between two vectors of the same dimension.

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The x-axis should contain the independent variable (also known as the "explanatory variable"), and the y-axis should contain the dependent variable (also known as the "response variable").

Definition of X and Y Graph?

The x-axis and the y-axis, which together make up a graph's coordinate plane, can be used to define an x and y graph.

The y-axis and the x-axis each stand in for one of the two axes: the horizontal or horizontally oriented. The origin, or point of reference for the plane, is the intersection of the x- and y-axes.

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The x-axis (horizontal line) of the graph should have the independent variable, and the y-axis should have the dependent variable (vertical line). At the origin, the location of the coordinates, the x and y axes intersect (0,0).

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Answer:

the number of children on the trip=31

The number of adult=9

Step-by-step explanation:

Let's call the number of adults on the trip "a" and the number of children on the trip "c".

We know that:

a + c = 40 (the total number of people on the trip)

And:

3a + 2c = 89 (the total number of sandwiches given out)

We can use the first equation to solve for one variable in terms of the other:

a = 40 - c

And substitute this into the second equation:

3(40 - c) + 2c = 89

Expanding and simplifying:

120 - 3c + 2c = 89

120 - c = 89

Subtracting 120 from both sides:

-c = -31

So c = 31, the number of children on the trip.

And the number of adults on the trip, a = 40 - c = 40 - 31 = 9.

The expression x 2a-b=3(x a)-2(2a-b) has the result x = 2a / (2a + 3).

An expression or mathematical expression is a finite collection of symbols that is well-formed according to context-dependent norms. In mathematics, an expression is a phrase that has at least two numbers or variables and at least one arithmetic operation. Addition, subtraction, multiplication, or division are all examples of math operations. An expression's structure is as follows: (Number/variable, Math Operator, Number/variable) is the expression. A number, a variable, or a combination of numbers, variables, and operation symbols constitutes an expression. An equation consists of two expressions joined by an equal sign. Example of a word: the sum of 8 and 3. Example of a word: The sum of 8 and 3 equals 11. 8 + 3 is an expression.

Here,

To solve for x, we can simplify the equation first:

x * 2a - b = 3(x + a) - 2(2a - b)

Expanding the right side:

x * 2a - b = 3x + 3a - 2 * 2a + 2b

Combining like terms:

x * 2a - b = 3x + 3a - 4a + 2b

x * 2a - b = 3x - a + 2b

Now, we can isolate x on one side of the equation:

x * 2a - 3x = a - b + 2b

x * 2a - 3x = a + b

Multiplying both sides by -1:

-x * 2a + 3x = -a - b

Adding 2a to both sides:

x * 2a + 3x + 2a = -a - b + 2a

Combining like terms:

x * 2a + 3x + 2a = -a + 2a

x * 2a + 3x + 2a = 2a

Finally, collecting all x terms on one side:

x * (2a + 3) = 2a

Dividing both sides by (2a + 3):

x = 2a / (2a + 3)

The value of x for the expression x 2a-b=3(x a)-2(2a-b) is x = 2a / (2a + 3).

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The polynomial -3x^3 + 2 has only one turning point.

A turning point is a point on a curve where the curve changes direction, either from going up to going down or vice versa. In other words, it is a point where the first derivative of the curve changes sign.

For the polynomial -3x^3 + 2, the first derivative is given by:

d/dx (-3x^3 + 2) = -9x^2

Since the first derivative is a monotonically decreasing function (that is, its slope is always negative), the polynomial -3x^3 + 2 has only one turning point.

Slope of first derivative

d²(-3x^3 + 2)/dx² = -18x

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Answer:

Step-by-step explanation:

2/3 - 5/9 = 1/

9

≅ 0.1111111

Answer: 1/9

Step-by-step explanation:

The required six algebraic equations to relate the given different pairs of angles are in the solution part.

The supplementary angles are defined as when pairing of angles addition to 180° then they are called supplementary angles.

Given: AD, BE and FC intersect at point P.

AD⊥FC.

According to the given figure, the required equations would be as:

m∠APB = m∠EPD  (vertical angles)

m∠FPD = m∠APC  (right angles are congruent)

m∠EPC + m∠EPF = 180 degrees (linear pair)

m∠BPC = m∠EPD (vertical angles)

m∠APB + m∠BPC = 90 degrees (complementary angles)

m∠FPB + m∠BPC = 180 degrees (linear pair)

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Answer: Apples: $2      Mangos: $1.50

Step-by-step explanation:

8m+3a = 183m+5a=14.5

Multiply the first equation by 5 and multiply the second equation by 340m+15a=909m+15a=43.5

Subtract the equations

31m=46.5m=46.5/31m=1.5

Substitute to find the price of apples

8(1.5)+3a=1812+3a=183a=18-123a=6a=2

Apples cost $2.00 each mangoes cost $1.50 each

y = k asymptotically stable critical point because f'(k) < 0 and f'(0) > 0. So y = 0 is an an asymptotically unstable critical point.

The Gompetz equation is dy/dt = ry In(K/y).

In order to find critical points equate dy/dt equal to zero

dy/dt = 0

ry In(k/y) = 0

Here, k and r are constants

y In(k/y) = 0

y = 0

In (k/y) = 0

Eliminating In

k/y = e^0

k/y = 1

Multiply by y on both side, we get

k = y

y = 0 and y = k

The critical points are 0 and k

Since zero is a critical point

dy/dt = f(y)

dy/dt = ry In(k/y)

Differentiation on both side

f'(y) = ry In(k/y) - ry × y/k × k/[tex]y^2[/tex]

f'(y) = r In(k/y) - r

f'(k) = r In(k/k) - r

f'(x) = -r < 0

So that, y = k asymptotically stable critical point because f'(k) < 0

f'(0) > 0

That means y=0 is asymptotically unstable critical point.

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The smallest and the largest area of the window will be 9.8 and 11.1 sq. metres respectively.

This problem is based on the area of rectangle .

Here, since the height and the width of the window are distinct, so the window can be assumed to be of rectangular shape.

Now, the area of a rectangle is given by = l x b where l and b are respectively the height and the width of the window respectively.

The area would be smallest when both the height and width are least i.e. 140 cm and 70 cm .

So, smallest area = lxb = 140 x 70 = 9800 sq. cm = 9.8 sq. m.

Similarly the largest area would be when both the height and the width are maximum i.e. largest area = lxb = 150x 74 = 11,100 sq cm. =11.1 sq metres.

Therefore, the smallest and the largest area of the window will be 9.8 and 11.1 sq. metres respectively.

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The smallest and the largest area of the window will be 9.8 and 11.1 sq. metres respectively.

This problem is based on the area of a rectangle.

Here, since the height and the width of the window are distinct, so the window can be assumed to be of rectangular shape.

Now, the area of a rectangle is given by = l x b where l and b are respectively the height and the width of the window respectively.

The area would be smallest when both the height and width are least i.e. 140 cm and 70 cm .

So, smallest area = lxb = 140 x 70 = 9800 sq. cm = 9.8 sq. m.

Similarly, the largest area would be when both the height and the width are maximum i.e. largest area = lxb = 150x 74 = 11,100 sq cm. =11.1 sq metres.

Therefore, the smallest and the largest area of the window will be 9.8 and 11.1 sq. metres respectively.

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About 68% of the data in a typical normal curve is within one of the mean's standard deviation. Accordingly, 68% of the data should fall between -1 and 1 if the data's mean was 0 and its standard deviation was 1.

A theoretical continous probability distribution known as the "standard normal curve" depicts a bell-shaped, symmetrical curve. The normal distribution or the Gaussian distribution are other names for it. The standard normal curve, which serves as a benchmark for other normal distributions, has a means of 0 and a variance of 1. For simpler analysis and comparison, data sets can frequently be translated into the normal form standards. The distributions of many real-world events, including IQ scores, length, weight, and heart rate, to mention a few, is described by the curve, which is significant in statistics. Among other uses, the normalised curve is employed in statistical inference, quality control, and hypothesis testing.

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The best surface tolerance and finish would be gotten if all inside vertical corners had a fillet radius of (b) > 0.125 inches.

The choice of fillet radius is an important factor in determining the surface tolerance and finish of a machined part. A fillet radius is a rounded corner between two flat surfaces. A fillet radius that is too small can result in a rough surface, while a fillet radius that is too large can weaken the part.

In this scenario, a 1/4 inch diameter mill is being used, so the best surface tolerance and finish would be achieved if the fillet radius is greater than 0.125 inch, but less than 0.25 inch. This will ensure that the part is not weakened and the surface is smooth. The exact value of the fillet radius will depend on the specific requirements of the machining process.

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Complete Question:

If you must use a 1/4 inch diameter mill, then the best surface tolerance and finish would be gotten if all inside vertical corners had a fillet radius with the minimum requirement of:

(a) < 0.25 inch

(b) > 0.125 inch

(c) > 0.25 inch

(d) = 0.25 inch

(e) = 0.125 inch

(f) < 0.125 inch

the value of x=2 and y =5, for the given trapezoid.

What is trapezoid?

A trapezoid, commonly referred to as a trapezium, is a quadrilateral or polygon with four sides. It has a set of parallel opposite sides as well as a set of non-parallel sides. The bases and legs of the trapezoid are referred to as parallel and non-parallel sides, respectively. A trapezoid is a four-sided closed 2D figure with a perimeter and an area. The bases of the trapezoid are two of the shape's sides that are parallel to one another. The legs or lateral sides of a trapezoid are its non-parallel sides. The altitude is the shortest distance between any two parallel sides.

Given, HM =5x-3

BM = x+5

So 5x-3 = x+5

4x = 8

x = 2.

and (4y - 3) =(2y+3)+(10x+1) /2

8y-6 =  2y+3 + 10x+1

6y = 10+20

y =5

Hence the value of x=2 and y =5, for the given trapezoid.

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The sequence is neither arithmetic nor geometric.

Informally, a sequence in mathematics is a list of items that are in some order (or events). It possesses members, much like a set (also called elements, or terms). The length of the series is the number of ordered elements in the sequence, which could be unlimited.

Also, Arithmetic sequences, geometric sequences, quadratic sequences, and special sequences are the four primary categories of distinct sequences you need to be familiar with.

Squares, rectangles, circles, cones, cubes, and other shapes that can be created using geometry are known as geometric forms. In structural, civil, and architectural engineering, geometric forms are frequently used.

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The sequence from response to question 1 is neither arithmetic nor geometric.

The sequence in mathematics is the order of value of items or events. Usually, it contains a number or a series of numbers with a length of series that can be unlimited.

If the sequence has common differences from one value to another it can be considered as an arithmetic sequence, for example, 2,4,6,8. If the sequence has common ratios from one value to another it can be considered as a geometric sequence, for example, 2,4,8,16.

Since the response in question 1 doesn't have either common differences or common ratios, so it is neither arithmetic nor geometric.

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The probability of winning the game, given t tails, is equal to [tex]0.5^t[/tex] .It's important to note that the outcome of each flip is independent.

The probability of winning the game in which you have flipped t tails and need to flip t consecutive heads can be calculated as follows:

Each flip of the coin has a probability of 0.5 of landing heads and 0.5 of landing tails. So, for the first flip, the probability of flipping a head is 0.5. For the second flip, the probability of flipping two heads in a row is

[tex]0.5 * 0.5 = 0.25[/tex]

For the third flip, the probability of flipping three heads in a row is

[tex]0.5 * 0.5 * 0.5 = 0.125[/tex]  , and so on.

Therefore, the probability of winning the game, given t tails, is equal to 0.5^t. For example, if you have flipped 2 tails, the probability of winning the game by flipping 2 consecutive heads is

[tex]0.5 * 0.5 = 0.25.[/tex]

It's important to note that the outcome of each flip is independent, so the probability of winning the game given t tails is constant regardless of the number of tails flipped prior to the current flip.

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Answer:

5(y+7)

Step-by-step explanation:

Answer:

5(y + 7)

Step-by-step explanation:

Using the given fractions, we can see that for the stew they use (27/10) pints and for the rice (18/10) pints.

We know that the carton has a volume of:

(4 + 1/2) pints of chicken stock.

He uses 3/5 of the carton to make a stew, so he uses:

(3/5)*(4 + 1/2) pints = (12/5 + 3/10) pints

                               = (27/10) pints.

And the rest, (2/5) of the carton, is used to make rice, then:

(2/5)*(4 + 1/2) pints  = (8/5 + 2/10) pints = (18/10) pints.

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The required measure of supplementary angle ∠ABE is 137°.

Orientation of the one line with respect to the horizontal or other respective line is known as a measure of orientation and this measure is known as the angle.

The measure of a supplementary angle to an angle with measure x is defined as 180°-x. Therefore, the measure of the supplementary angle ∠ABE to an angle with a measure 43° is:

∠ABE = 180° - 43° = 137°

Thus, the required measure of supplementary angle ∠ABE is 137°.

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Answer:

Perimeter 18.42

Area 20.13

Step-by-step explanation:

Perimeter:

This is the distance around the figure.

The distance around the triangle is 9.

The distance around the 1/2 circle

c= 2[tex]\pi[/tex]r

c [2(3.14)(3)]/2

c = 9.42

9.42 + 9 = 18.42

Area:

triangle

a = 1/2(bh)

a - 1/2 (3)(4)

a = 6

circle

a = 1/2([tex]\pi r^{2}[/tex])

a = 1/2(3.14)(9)

a = 14.13

6 + 14.13 = 20.13

a) Juan, 2 kg de encima

b) Mario, 2 kg por debajo

c) Pedro, 5 kg por encima

d) Alfredo, Tiene el peso preciso

Operaciones aritméticas incluyen suma, resta, multiplicación y división

La diferencia en matemáticas es una operación aritmética de resta entre dos números grandes con un número pequeño para que el resultado sea siempre positivo.

La diferencia en matemáticas es también la diferencia de valor entre dos números

a) la edad de Dewi = 25 años

edad de Adi = 51 años

entonces

Diferencia de edad entre A y B

= (51 – 25) años

= 26 años

Entonces la diferencia en sus edades es 26 años

b) El dinero de A = IDR 13,000.00

Dinero de B = IDR 10,500.00

entonces diferencia en su dinero es

= 13.000,00 IDR – 10.500,00 IDR

= 2.500,00 IDR

Entonces, la diferencia o la diferencia en su dinero es IDR 2,500.00

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Answer:

x-6y=-24

Step-by-step explanation:

do it

Answer:

Step-by-step explanation:

The slope-intercept form of a linear equation is given by y = mx + b, where m is the slope and b is the y-intercept.

To find the slope and y-intercept of the equation 2x - 6y = 24, you can first isolate y by adding 6y to both sides and then dividing both sides by -6. This gives you: y = (-1/3)x + 4

So, the slope is -1/3 and the y-intercept is 4.

The midpoint Riemann sum approximation of ∫64x3 1−−−−−√ⅆx using 4 subintervals of equal width is 9980

The midpoint Riemann sum approximation of ∫64x3 1−−−−−√ⅆx using 4 subintervals of equal width is calculated by summing the area of each subinterval under the midpoint of the interval.

The formula for the midpoint Riemann sum is given by:

Sum = (width of interval) * (height of midpoint)

For this problem, since the width of each interval is 16/4 = 4, the midpoint Riemann sum is calculated by:

Sum = 4 * (1 + (16/4)^3 + (32/4)^3 + (48/4)^3)

Substituting the values for each midpoint, we get the following equation:

Sum = 4 * (1 + 4^3 + 8^3 + 12^3)

This simplifies to:

Sum = 4 * (1 + 64 + 512 + 1728)

Therefore, the midpoint Riemann sum approximation of ∫64x3 1−−−−−√ⅆx using 4 subintervals of equal width is:

Sum = 4 * (2495)

Sum = 9980

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Answer is 1/104. Probability is a branch of mathematics that deals with numerical descriptions of the probability of an event occurring or the probability that a statement is true.

What is the probability that both the second and third cards are the same suit?

Probability that the first card is a club = 1/4. (There are 13 club cards in the deck, and 13/52 = 1/4). Probability that the second card is a 3 = 1/13. (There are four 3 cards in the deck, and 4/52 = 1/13). Probability that the third card is red = 1/2. (There are 26 red cards in the deck, and 26/52 = 1/2). The probability of an event is a number between 0 and 1, where 0 represents approximately an impossibility and 1 represents a certainty. The higher the probability of an event, the more likely the event will occur. A simple example is mining a fair (impartial) coin. Since the coin is fair, both outcomes ("heads" and "tails") are equally likely; the probability of heads is equal to the probability of heads; and since no other outcome is possible, the probability of "heads" or "heads" is 1/2 (which can also be written as 0.5 or 50%).

Probability that the first card is a club, the second card is a 3, and the third card is red = 1/4 * 1/13 * 1/2

= 1/104

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Answer:102+31-180 = 47

so x = 47

Step-by-step explanation:

this is very simple

The matrix is now in row echelon form. The inverse is the right side of the augmented matrix: [tex]$$\begin{bmatrix}1 & 1 & 0 \\2 & 1 & 3 \\0 & 1 & 2\end{bmatrix}$$[/tex]

We will use the algorithm for finding the inverse of a matrix by row reducing.

Step 1: Augment the matrix with the identity matrix.

[tex]$$\begin{bmatrix}1 & 1 & 0 & | & 1 & 0 & 0\\2 & 1 & 3 & | & 0 & 1 & 0\\0 & 1 & 2 & | & 0 & 0 & 1\end{bmatrix}$$[/tex]

Step 2: Use row operations to transform the matrix into the identity matrix.

1. Multiply the first row by [tex]$\frac{1}{2}$[/tex] to get:

[tex]$$\begin{bmatrix}\frac{1}{2} & \frac{1}{2} & 0 & | & \frac{1}{2} & 0 & 0\\2 & 1 & 3 & | & 0 & 1 & 0\\0 & 1 & 2 & | & 0 & 0 & 1\end{bmatrix}$$[/tex]

2. Subtract two times the first row from the second row to get:

[tex]$$\begin{bmatrix}\frac{1}{2} & \frac{1}{2} & 0 & | & \frac{1}{2} & 0 & 0\\0 & 0 & 3 & | & -1 & 1 & 0\\0 & 1 & 2 & | & 0 & 0 & 1\end{bmatrix}$$[/tex]

3. Subtract the first row from the third row to get:

[tex]$$\begin{bmatrix}\frac{1}{2} & \frac{1}{2} & 0 & | & \frac{1}{2} & 0 & 0\\0 & 0 & 3 & | & -1 & 1 & 0\\0 & 0 & 2 & | & -\frac{1}{2} & 0 & 1\end{bmatrix}$$[/tex]

4. Multiply the third row by [tex]$\frac{1}{2}$[/tex] to get:

[tex]$$\begin{bmatrix}\frac{1}{2} & \frac{1}{2} & 0 & | & \frac{1}{2} & 0 & 0\\0 & 0 & 3 & | & -1 & 1 & 0\\0 & 0 & 1 & | & -\frac{1}{4} & 0 & \frac{1}{2}\end{bmatrix}$$[/tex]

5. Subtract [tex]$\frac{3}{2}$[/tex]times the second row from the third row to get:

[tex]$$\begin{bmatrix}\frac{1}{2} & \frac{1}{2} & 0 & | & \frac{1}{2} & 0 & 0\\0 & 0 & 3 & | & -1 & 1 & 0\\0 & 0 & 0 & | & \frac{7}{4} & -1 & \frac{1}{2}\end{bmatrix}$$[/tex]

Step 3: The matrix is now in row echelon form. The inverse is the right side of the augmented matrix:

[tex]$$\begin{bmatrix}1 & 0 & 0\\-1 & 1 & 0\\\frac{7}{4} & -1 & \frac{1}{2}\end{bmatrix}$$[/tex]

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The value of the variable that makes the equation true -1/10

An equation is a mathematical statement that shows the equality of two or more things. that is An equation is a mathematical statement that shows that two mathematical expressions are equal

The given equation is 1=-10c

To make the statement true, we have to determine the value of the variable c

this is done by making the variable c the subject of the relation

Now, 1/-10 = -10c/-10

Therefore c = -1/10 makes the equation true

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Answer:

y = -2

Step-by-step explanation:

The equation is y = mx + b

But this line has no slope, but it has a y-intercept at (0,-2), so the equation is

y = -2

The probability that Kyle will pass all 15 tests if he does not study for them is approximately 0.0017.

This is because the probability of passing each individual test without studying is 0.45, and the probability of passing all tests without studying is equal to 0.45 multiplied by itself 15 times, which is 0.0017. This means that the odds of Kyle passing all 15 tests without studying are very slim.

Even if he has a good understanding of the material and has been able to recall the information without studying, it is very unlikely that he will be able to do so for all 15 tests. It is therefore recommended that Kyle studies for his tests in order to increase his chances of passing them.

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